Question about Brother MFC-8840D All-In-One Laser Printer
I have a Brother MFC 8840D laser mutifunction copier/fax. I have an error message of "doc cover open" after removing a jammed document through the top feeder. I have checked that there is no papers stuck in copier feeder, but I cannot get the message to clear. I have turned the unit off and on and I cannot clear the message error. Please assist.
I had the same problem with mine. Lift the top scanner, and check the hinges on the left. That error message means that the little black sensor on the left next to the hinges is not meeting flat with the unit when closed. Hold the sensor in for a few seconds, and your printer will start working properly.
Posted on Jul 09, 2008
Their rest botom in under the cove bush it to rest the sensor to clear the error ( cover open).
Posted on Jun 17, 2008
Open and close the feed cover and do the same with the front cover. It seems to me that I've had to do that to clear the error before. Otherwise... I'm not sure.
Posted on Nov 02, 2007
Another cover not closed properly or a sensor not being triggered
Posted on Oct 11, 2007
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Posted on Jan 02, 2017
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